Finish the game without using Vita-Chambers.
Unlocked: 16 Feb 2013 05:31 pm
Max out research on all 9 research subjects.
Unlocked: 16 Feb 2013 05:12 pm
Saved every Little Sister and spared Grace, Stanley and Gil.
Unlocked: 16 Feb 2013 04:29 pm
Gather 600 ADAM with Little Sisters.
Unlocked: 16 Feb 2013 02:46 pm
Get through a Gather with no damage and no one getting to the Little Sister.
Unlocked: 14 Feb 2013 06:59 pm
Escaped Rapture.
Unlocked: 14 Feb 2013 04:35 pm
Finish the game on the hardest difficulty level.
Unlocked: 14 Feb 2013 04:35 pm
Headed to the surface on the side of Sinclair's escape pod.
Unlocked: 14 Feb 2013 04:32 pm
Find all 14 Power to the People weapon upgrades in the game.
Unlocked: 14 Feb 2013 04:21 pm
All Plasmids
20Find or purchase all 11 basic Plasmid types.
Unlocked: 14 Feb 2013 03:34 am
Reunited with your original Little Sister.
Unlocked: 14 Feb 2013 03:33 am
Fully upgrade to the maximum number of Plasmid Slots.
Unlocked: 14 Feb 2013 03:33 am
Find 100 audio diaries.
Unlocked: 14 Feb 2013 03:30 am
Gained access to Lamb’s stronghold.
Unlocked: 14 Feb 2013 02:46 am
Either Harvest or Save every Little Sister in the game.
Unlocked: 14 Feb 2013 02:25 am
Fully upgrade one of your Plasmids to the level 3 version at a Gatherer's Garden.
Unlocked: 14 Feb 2013 12:16 am
Trap Master
15Kill 30 enemies using only Traps.
Unlocked: 13 Feb 2013 11:39 pm
Uncovered the secret of Dionysus Park.
Unlocked: 13 Feb 2013 11:17 pm
Grand Daddy
25Defeat 3 Big Daddies without dying during the fight.
Unlocked: 13 Feb 2013 11:16 pm
Max out one Research Track.
Unlocked: 13 Feb 2013 08:46 pm
Defeated the Preacher.
Unlocked: 13 Feb 2013 08:41 pm
Hack 30 machines at a distance with the Hack Tool.
Unlocked: 13 Feb 2013 08:11 pm
Big Spender
15Spend 2000 dollars at Vending Machines.
Unlocked: 13 Feb 2013 07:48 pm
Confronted Lamb’s lieutenant in Pauper’s Drop.
Unlocked: 12 Feb 2013 11:38 pm
Install the third and final upgrade to any of your weapons.
Unlocked: 12 Feb 2013 11:09 pm
Killed 50 enemies using only hacked Security.
Unlocked: 12 Feb 2013 10:51 pm
Killed an enemy with its own projectile.
Unlocked: 12 Feb 2013 10:00 pm
Research a Splicer with the Research Camera.
Unlocked: 12 Feb 2013 09:48 pm
Joined forces with Sinclair in Ryan Amusements.
Unlocked: 12 Feb 2013 08:14 pm
Defended yourself against the Big Sister without dying.
Unlocked: 12 Feb 2013 08:05 pm
Buy one Plasmid or Tonic Slot at a Gatherer's Garden.
Unlocked: 12 Feb 2013 08:03 pm
Paid your respects to the founder of Rapture.
Unlocked: 12 Feb 2013 07:06 pm
Successfully hack at least one of every type of machine.
Unlocked: 12 Feb 2013 06:53 pm
Adopted a new Little Sister for the first time.
Unlocked: 12 Feb 2013 06:37 pm
Upgrade any weapon at a Power to the People Station.
Unlocked: 12 Feb 2013 03:56 pm
Defended yourself against Lamb's assault in the train station.
Unlocked: 12 Feb 2013 03:45 pm
Used the Hack Tool to hack an object at a distance.
Unlocked: 12 Feb 2013 03:45 am
Found your way back into the ruins of Rapture.
Unlocked: 12 Feb 2013 03:42 am
Achieve Rank 40.
Unlocked: 9 Feb 2013 04:26 am
Skin Job
20Achieve Rank 30.
Unlocked: 8 Feb 2013 01:18 am
Little Moth
20Achieve Rank 20.
Unlocked: 7 Feb 2013 03:58 am
Play at least one non-private match on each multiplayer map.
Unlocked: 7 Feb 2013 12:37 am
Complete your first trial in a non-private match.
Unlocked: 6 Feb 2013 11:55 pm
Parasite
10Achieve Rank 10.
Unlocked: 6 Feb 2013 11:07 pm
Become a Big Daddy for the first time in a non-private match.
Unlocked: 6 Feb 2013 09:16 pm
Complete your first non-private match.
Unlocked: 6 Feb 2013 09:05 pm
Win your first non-private match.
Unlocked: 6 Feb 2013 09:05 pm
Score your first kill in a non-private match.
Unlocked: 6 Feb 2013 08:50 pm
Take down your first Big Daddy in a non-private match.
Unlocked: 6 Feb 2013 08:50 pm
Mother Goose
20Save your first Little Sister in a non-private match.
Unlocked: 6 Feb 2013 08:49 pm
Reincarnation
100Use Rebirth to start again!
Unlocked: 11 Feb 2013 05:05 am
Play at least one non-private match on each downloadable content map.
Unlocked: 10 Feb 2013 01:49 am
Territorial
25Win a non-private match in each of the 6 new maps.
Unlocked: 10 Feb 2013 01:49 am
Completed all bonus Protector Trials
Unlocked: 19 Jun 2013 06:24 pm
Earn an A rank in all Protector Trials
Unlocked: 19 Jun 2013 05:28 pm
Earn 36 stars in the Protector Trials
Unlocked: 19 Jun 2013 05:28 pm
Collect 50% of the ADAM available in all Protector Trials
Unlocked: 19 Jun 2013 02:13 pm
Acid Test
10Earn 18 stars in the Protector Trial
Unlocked: 19 Jun 2013 02:55 am
Earn 6 stars in the Protector Trials
Unlocked: 18 Jun 2013 03:29 pm
Collect 100% of the ADAM in a single Protector Trial
Unlocked: 18 Jun 2013 03:19 pm
Escaped Minerva's Den
Unlocked: 16 Feb 2013 07:47 pm
Wrested control of the Thinker from Reed Wahl
Unlocked: 16 Feb 2013 07:42 pm
Reached Computer Core Access
Unlocked: 16 Feb 2013 07:34 pm
ADAM Addict
10Resolve all the Little Sisters in Minerva's Den
Unlocked: 16 Feb 2013 07:28 pm
Destroy all 10 Vacuum Bots in Minerva's Den
Unlocked: 16 Feb 2013 07:23 pm
Got 9999 points in one game of Spitfire
Unlocked: 16 Feb 2013 06:48 pm
Reached Rapture Central Computing Operations
Unlocked: 16 Feb 2013 06:28 pm
Kill a Lancer Big Daddy
Unlocked: 16 Feb 2013 05:43 pm